Unhittable? Aroldis Chapman and His 105-M.P.H. Fastball - The New York Times
Aroldis Chapman's fastball is no longer special, Bronx Pinstripes
Aroldis Chapman Is Looking to Slow Things Down - WSJ
Aroldis Chapman, Without His Command
Watch: Aroldis Chapman makes Texas Rangers debut with blazing fastballs vs. Astros
Nobody is talking about Yankees' Aroldis Chapman's fastball this spring — and that's good
Royals officially sign Aroldis Chapman to one-year deal - Royals Review
Inside the Yankees' Aroldis Chapman problem
Why Aroldis Chapman isn't as dominant - and what the Yankees can do